$OpenBSD: patch-Makefile,v 1.1 2017/02/27 19:15:32 jca Exp $
--- Makefile.orig	Mon Feb 27 20:10:41 2017
+++ Makefile	Mon Feb 27 20:11:12 2017
@@ -1,6 +1,6 @@
 
 RAW_CC = gcc
-RAW_FLAGS = -Wall -O2
+RAW_FLAGS = -Wall
 LINK_OPT = 
 VERSION = 1.5.7
 # Try to determine the host system
@@ -39,7 +39,7 @@ WINCC = $(RAW_CC) $(RAW_FLAGS) -D__WIN32
 # Generic "how to compile C files"
 CC = $(RAW_CC) $(RAW_FLAGS) -D__UNIX
 .c.o:   
-	$(CC) -c $<
+	$(CC) $(CFLAGS) -c $<
 
 
 # Definitions we'll need later (and that should rarely change)
